Alert archive / Illinois / Mason County
Weather alerts in Mason County, Illinois, 2015
137 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mason County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 137
- Warnings
- 49
- Watches
- 22
- Advisories
- 31
- Busiest month
- June50 alerts
- Busiest day
- June 8, 20159 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 4, 8:09 PM CST | Winter Weather Advisory | ILX | 30 hr |
| Jan 6, 3:13 AM CST | Wind Chill Warning | ILX | 57 hr |
| Jan 6, 3:13 AM CST | Wind Chill Advisory | ILX | 57 hr |
| Jan 30, 12:01 PM CST | Winter Storm Watch | ILX | 16 hr |
| Jan 31, 4:04 AM CST | Winter Storm Warning | ILX | 44 hr |
| Feb 4, 3:31 AM CST | Winter Weather Advisory | ILX | 13 hr |
| Feb 14, 3:45 AM CST | Wind Chill Advisory | ILX | 29 hr |
| Feb 17, 3:19 PM CST | Wind Chill Advisory | ILX | 45 hr |
| Feb 20, 2:42 PM CST | Winter Weather Advisory | ILX | 19 hr |
| Feb 22, 3:12 AM CST | Wind Chill Advisory | ILX | 30 hr |
| Feb 25, 3:29 AM CST | Winter Weather Advisory | ILX | 30 hr |
| Feb 26, 2:51 PM CST | Wind Chill Advisory | ILX | 19 hr |
| Feb 28, 3:09 AM CST | Winter Weather Advisory | ILX | 39 hr |
| Mar 2, 3:06 PM CST | Winter Weather Advisory | ILX | 19 hr |
| Mar 13, 11:22 AM CDT | River Flood Warning | ILX | 6 days |
| Mar 17, 7:02 AM CDT | River Flood Warning | ILX | 40 hr |
| Apr 7, 6:48 AM CDT | Dense Fog Advisory | ILX | 4 hr |
| Apr 8, 3:59 AM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Apr 8, 2:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 9, 1:48 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 9, 3:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 9, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 22, 3:04 PM CDT | Freeze Warning | ILX | 17 hr |
| May 4, 7:47 PM CDT | Special Weather Statement | ILX | 58 min |
| May 10, 5:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 24, 3:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 24, 5:34 PM CDT | Tornado Watch | SPC | 7 hr |
| May 24, 6:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 7, 1:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 7, 2:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 7, 4:45 PM CDT | Severe Thunderstorm Warning | ILX | 60 min |
| Jun 7, 5:16 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Jun 7, 5:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 7, 6:27 PM CDT | Areal Flood Advisory | ILX | 4 hr |
| Jun 7, 7:18 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| Jun 7, 7:30 PM CDT | Flash Flood Warning | ILX | 5 hr |
| Jun 7, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 7, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | 53 min |
| Jun 7, 8:47 PM CDT | Flash Flood Warning | ILX | 5 hr |
| Jun 7, 11:57 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 8, 11:11 AM CDT | River Flood Warning | ILX | 61 days |
| Jun 8, 2:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 8, 3:43 PM CDT | Severe Thunderstorm Warning | ILX | 47 min |
| Jun 10, 7:01 AM CDT | River Flood Warning | ILX | 24 hr |
| Jun 10, 10:51 PM CDT | Severe Thunderstorm Warning | ILX | 24 min |
| Jun 10, 11:11 PM CDT | Severe Thunderstorm Warning | ILX | 43 min |
| Jun 11, 7:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 11, 8:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 12, 6:39 AM CDT | Areal Flood Advisory | ILX | 3 hr |
| Jun 12, 7:06 AM CDT | Areal Flood Advisory | ILX | 3 hr |
| Jun 13, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 6:10 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 14, 8:37 PM CDT | River Flood Warning | ILX | 5 days |
| Jun 15, 9:22 AM CDT | Flash Flood Watch | ILX | 14 hr |
| Jun 20, 3:49 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 20, 6:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 20, 8:53 PM CDT | Severe Thunderstorm Warning | ILX | 67 min |
| Jun 20, 9:06 PM CDT | Severe Thunderstorm Warning | ILX | 54 min |
| Jun 20, 10:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 22, 1:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 22, 3:56 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 22, 6:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 22, 8:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 23, 3:25 PM CDT | Flash Flood Watch | ILX | 44 hr |
| Jun 24, 9:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 11:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 2:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 25, 7:53 AM CDT | River Flood Warning | ILX | 9 days |
| Jun 25, 9:43 PM CDT | River Flood Warning | ILX | 6 days |
| Jun 26, 4:05 AM CDT | Flash Flood Watch | ILX | 18 hr |
| Jun 26, 10:22 AM CDT | Flash Flood Warning | ILX | 9 hr |
| Jun 26, 11:20 AM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 26, 2:58 PM CDT | River Flood Warning | ILX | 54 hr |
| Jun 26, 5:22 PM CDT | Areal Flood Advisory | ILX | 113 min |
| Jun 28, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Jun 28, 7:39 PM CDT | Flash Flood Warning | ILX | 5 hr |
| Jun 28, 9:04 PM CDT | Special Weather Statement | ILX | 41 min |
| Jun 28, 9:32 PM CDT | Flash Flood Warning | ILX | 4 hr |
| Jul 7, 2:46 PM CDT | Flash Flood Watch | ILX | 39 hr |
| Jul 9, 8:28 AM CDT | River Flood Warning | ILX | 6 days |
| Jul 9, 8:28 AM CDT | River Flood Warning | ILX | 8 days |
| Jul 9, 8:36 AM CDT | River Flood Warning | ILX | 37 hr |
| Jul 11, 6:41 AM CDT | River Flood Warning | ILX | 16 hr |
| Jul 11, 12:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 11, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 1:48 PM CDT | Special Weather Statement | ILX | 42 min |
| Jul 11, 2:07 PM CDT | Severe Thunderstorm Warning | ILX | 38 min |
| Jul 11, 4:02 PM CDT | Flash Flood Watch | ILX | 10 hr |
| Jul 11, 6:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 11, 6:46 PM CDT | Areal Flood Advisory | ILX | 3 hr |
| Jul 11, 7:55 PM CDT | Areal Flood Advisory | ILX | 6 hr |
| Jul 12, 1:23 AM CDT | River Flood Warning | ILX | 58 hr |
| Jul 12, 3:14 PM CDT | Heat Advisory | ILX | 29 hr |
| Jul 13, 4:01 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 13, 6:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 16, 4:06 AM CDT | Flash Flood Watch | ILX | 21 hr |
| Jul 16, 4:55 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 16, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 16, 9:34 PM CDT | Severe Thunderstorm Warning | ILX | 41 min |
| Jul 16, 9:55 PM CDT | Mesoscale Discussion | SPC | 110 min |
| Jul 17, 10:16 AM CDT | Heat Advisory | ILX | 33 hr |
| Jul 27, 3:01 PM CDT | Heat Advisory | ILX | 29 hr |
| Aug 10, 4:42 AM CDT | Dense Fog Advisory | ILX | 4 hr |
| Aug 18, 12:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 18, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 18, 3:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 18, 4:33 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| Sep 8, 9:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 10, 12:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Sep 10, 4:04 PM CDT | Severe Thunderstorm Warning | ILX | 26 min |
| Sep 10, 4:28 PM CDT | Severe Thunderstorm Warning | ILX | 32 min |
| Sep 10, 4:56 PM CDT | Tornado Warning | ILX | 34 min |
| Sep 18, 5:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 15, 2:56 PM CDT | Freeze Watch | ILX | 12 hr |
| Oct 16, 2:45 AM CDT | Freeze Warning | ILX | 30 hr |
| Oct 17, 2:33 PM CDT | Freeze Warning | ILX | 18 hr |
| Oct 19, 3:24 AM CDT | Red Flag Warning | ILX | 16 hr |
| Nov 1, 5:58 AM CST | Dense Fog Advisory | ILX | 3 hr |
| Nov 2, 7:59 PM CST | Dense Fog Advisory | ILX | 14 hr |
| Nov 3, 7:16 PM CST | Dense Fog Advisory | ILX | 15 hr |
| Nov 10, 3:41 PM CST | Wind Advisory | ILX | 50 hr |
| Nov 11, 2:24 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 11, 3:20 PM CST | Tornado Watch | SPC | 6 hr |
| Nov 11, 6:54 PM CST | Severe Thunderstorm Warning | ILX | 66 min |
| Nov 16, 3:08 AM CST | Flood Watch | ILX | 51 hr |
| Nov 28, 9:31 PM CST | River Flood Warning | ILX | 71 days |
| Dec 4, 5:53 PM CST | Dense Fog Advisory | ILX | 18 hr |
| Dec 6, 9:24 PM CST | Dense Fog Advisory | ILX | 23 hr |
| Dec 12, 7:07 AM CST | Dense Fog Advisory | ILX | 4 hr |
| Dec 23, 12:42 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 23, 1:55 PM CST | Tornado Watch | SPC | 4 hr |
| Dec 23, 2:10 PM CST | Wind Advisory | ILX | 9 hr |
| Dec 23, 3:24 PM CST | Mesoscale Discussion | SPC | 96 min |
| Dec 26, 9:16 PM CST | River Flood Warning | ILX | 12 days |
| Dec 26, 9:16 PM CST | River Flood Warning | ILX | 13 days |
| Dec 26, 9:21 PM CST | River Flood Warning | ILX | 6 days |
| Dec 27, 3:15 PM CST | Wind Advisory | ILX | 26 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 17 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 8 |
| River Flood Warning | 17 |
| Flash Flood Watch | 6 |
| Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.